text: * 1983 Gold Medal of the Society of Magnetic Resonance in Medicine
  * 1984 Joint award of the Royal Society Welcome Foundation Gold Medal and Prize.
  * 1986 Elected Fellow of Queen Mary College (now Queen Mary University of London)
  * 1987 Elected Fellow of the Royal Society (FRS)
  * 1987 Elected President of the Society of Magnetic Resonance in Medicine
  * 1988 Awarded Duddell Medal and Prize by the Institute of Physics
  * 1988 Awarded Silvanus Thompson Medal by the British Institute of Radiology
  * 1989 Antoine Béclère Medal from the International Society of Radiology and the Antoine Béclère Institute in Paris
  * 1990 Royal Society Mullard Award (joint with John Mallard & Jim Hutchinson)
  * 1992 International Society of Magnetic Resonance (ISMAR) prize (joint with P. Lauterbur)
  * 1993 Knighted
  * 1993 Silver Plaque of the European Society of Magnetic Resonance in Medicine and Biology
  * 1993 Elected Honorary Fellow of the Royal College of Radiology and Honorary Member of the British Institute of Radiology
  * 1994 Elected Honorary Member of the Society of Magnetic Resonance Imaging and Fellow of the Society of Magnetic Resonance
  * 1995 Garmisch-Partenkirchen Prize for MRI
  * 1995 Gold Medal of the European Congress of Radiology and the European Association of Radiology
  * 1997 Honorary Fellow of the Institute of Physics
  * 2003 Nobel Prize in Physiology or Medicine for Medicine with Paul Lauterbur
  * 2009 was presented with the Lifetime Achievement Award by the Prime Minister, Gordon Brown, ceremony broadcast on ITV's Pride of Britain Awards
  * 2016 Asteroid 262972 Petermansfield, discovered by astronomer Vincenzo Silvano Casulli in 2007, was named in his honour. The official  was published by the Minor Planet Center on 22 April 2016 ().